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vrf Agilent E4440A (PSA) Self Alignment

Question asked by tomasz on Feb 22, 2005
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&#9786;     Regards,
                      Tomasz


<a class="moz-txt-link-abbreviated" href="mailto:MFord@Generalmicrowave.com">MFord@Generalmicrowave.com</a> wrote:
<blockquote cite="midLYRIS-2475187-886204-2005.02.23-12.37.09--tniemira%23miteq.com@it.lists.it.agilent.com" type="cite">  <meta http-equiv="Content-Type" content="text/html; ">  <meta name="Generator" content="Microsoft Word 11 (filtered medium)">  <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="Street">  <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PostalCode"><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="State">  <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="address"><!--[if !mso]><style>st1:*{behavior:url(#default#ieooui) }</style><![endif]-->  <style><!-- /* Font Definitions */ @font-face     {font-family:"Century Gothic";     panose-1:2 11 5 2 2 2 2 2 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal     {margin:0in;     margin-bottom:.0001pt;     font-size:12.0pt;     font-family:"Times New Roman";}a:link, span.MsoHyperlink     {color:blue;     text-decoration:underline;}a:visited, span.MsoHyperlinkFollowed     {color:purple;     text-decoration:underline;}span.EmailStyle17     {mso-style-type:personal-compose;     font-family:Arial;     color:windowtext;}@page Section1     {size:8.5in 11.0in;     margin:1.0in 1.25in 1.0in 1.25in;}div.Section1     {page:Section1;}-->  </style></o:SmartTagType></o:SmartTagType></o:SmartTagType></o:SmartTagType></o:SmartTagType>  <div class="Section1">  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Greetings VRF,<o:p></o:p></span></font></p>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">This is not necessarily aVEE question, but I have faiththat this forum can help anyway.<o:p></o:p></span></font></p>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">I’m utilizing an AgilentPSA (E4440A) SpectrumAnalyzer in my ATE. The PSA somehow senses ambient temperature anddecides toperform a self Alignment when it detects a change in temperature <i><span style="font-style: italic;">(I believe +-5 degrees). </span></i>Thisis a verynice feature designed to maintain measurement accuracy. Unfortunately,VEEdoesn’t like it when this occurs. If VEE attempts to talk while thisselfalignment is in process, I get a timeout and my program crashes. Thisusuallyhappens at the worst possible time <i><span style="font-style: italic;">(Sometimeover-night after many hours logged).</span></i><o:p></o:p></span></font></p>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">This has always been anannoyance, but as my ATE grows, itis becoming a critical failure. Does anyone out there know of a way forme todisable or to better control this feature.<o:p></o:p></span></font></p>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Thanks<o:p></o:p></span></font></p>  <p class="MsoNormal"><font face="Century Gothic" size="3"><span style="font-size: 12pt; font-family: "Century Gothic";"> </span></font><o:p></o:p></p>  <div>  <p class="MsoNormal"><strong><b><font face="Century Gothic" size="2"><span style="font-size: 10pt; font-family: "Century Gothic";">Michael Ford</span></font></b></strong><o:p></o:p></p>  </div>  <div>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Test Engineering</span></font><o:p></o:p></p>  </div>  <div>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Herley Farmingdale</span></font><o:p></o:p></p>  </div>  <div>  <p class="MsoNormal"><st1:address w:st="on"><st1:Street w:st="on"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">425 Smith Street</span></font></st1:Street><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;"> <st1:City w:st="on">Farmingdale</st1:City>,  <st1:State w:st="on">NY</st1:State> <st1:PostalCode w:st="on">11735-1198</st1:PostalCode></span></font></st1:address><o:p></o:p></p>  </div>  <div>  <p class="MsoNormal"><font face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">(phone) 631.630.2000 ext268  (fax) 631.630.2066</span></font><o:p></o:p></p>  </div>  <div>  <p class="MsoNormal"><font face="Century Gothic" size="3"><span style="font-size: 12pt; font-family: "Century Gothic";"><a href="mailto:Michael.Ford@Herley.com" title="mailto:Michael.Ford@Herley.com"><font title="mailto:Michael.Ford@Herley.com" size="2"><span style="font-size: 10pt;">mailto:</span></font><font title="mailto:Michael.Ford@Herley.com" face="Arial" size="2"><span style="font-size: 10pt; font-family: Arial;">Michael.Ford@Herley.com</span></font></a></span></font><o:p></o:p></p>  </div>  <p class="MsoNormal"><font face="Times New Roman" size="3"><span style="font-size: 12pt;"><o:p> </o:p></span></font></p>  </div>---
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